Question 9 — IGCSE 0580 May/June 2025 Paper 32
Cambridge IGCSE Mathematics 0580, Core tier, calculator. Topic: Probability · General. Worth 4 marks.
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Question text
9 Flo has a bag of counters.
She picks a counter at random from the bag.
The probability that she picks a green counter is 0.52 .
(a) Work out the probability that she does not pick a green counter.
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(b) The bag contains three colours of counters, green, pink and red.
Colour of counter Green Pink Red
Probability 0.52
There are three times as many pink counters as red counters.
Complete the table.
[2]
(c) Flo picks one counter from the bag at random, records the colour and replaces it in the bag.
She does this 200 times.
Calculate the expected number of times she picks a green counter .
................................................. [1]
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